Ifa=xy^(p-1), b= xy^(q-1), c =xy^(r-1) then show that a^(q-r)*b^(r-p)* – InterviewSolution

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1.	Ifa=xy^(p-1), b= xy^(q-1), c =xy^(r-1) then show that a^(q-r)b^(r-p)c^(p-q)?
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